Home / 23,279.04-32,136.48-15,865.92

Finding the Fourth Proportional to 23,279.04, 32,136.48 and 15,865.92

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Solution

The fourth proportional to 23,279.04, 32,136.48 and 15,865.92 is: 21,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.04 : 32,136.48 = 15,865.92 : x
  2. Step 2: Convert to fraction form
    23,279.04/32,136.48 = 15,865.92/x
  3. Step 3: Cross multiply
    23,279.04x = 32,136.48 × 15,865.92
  4. Step 4: Simplify right side
    23,279.04x = 509,874,820.76
  5. Step 5: Solve for x
    x = 509,874,820.76/23,279.04
  6. Step 6: Final answer
    x = 21,902.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.